1841 Census of St. Keverne he is living with his mother. Address: Porthollow
St. Kevern burial par. reg. age, 7l address, Tregaminion
There is a marriage in the St. Keverne parish register for a Peter Saunders and Sally Ann Champion in 1840. His father is Lebaton Saunders.

1861 Census of Phillack - 61 years old. head of household, born in Gwinear.
Searched the Online Parish Clerk site for parents of Mary Reed. A couple possibilities. Searched St. Erth and Gwinear. Also searched for christening for her.

1871 Census - I found a family of Hendra children living with their aunt and uncle, but I don't think it is this family, even though the children's names are so very similar. The birth year's are not close enough.